Added First Steps in OOP - Lab (#41)

Author: MitkoVtori

OOP/1.First Steps in OOP/# TODO.txt

@@ -0,0 +1,9 @@
+def rhombus_stars(number):
+    for row in range(number * 2 - 1):
+        spaces = abs(number - row - 1)
+        stars = number - spaces
+        print(' ' * spaces + '* ' * stars)
+
+
+num = int(input())
+rhombus_stars(num)

OOP/1.First Steps in OOP/First Steps in OOP - Lab/01. Rhombus of Stars.py

@@ -0,0 +1,24 @@
+x = "global"
+
+
+def outer():
+    x = "local"
+
+    def inner():
+        nonlocal x
+        x = "nonlocal"
+        print("inner:", x)
+
+    def change_global():
+        global x
+        x = "global: changed!"
+
+    print("outer:", x)
+    inner()
+    print("outer:", x)
+    change_global()
+
+
+print(x)
+outer()
+print(x)

OOP/1.First Steps in OOP/First Steps in OOP - Lab/02. Scope Mess.py

@@ -0,0 +1,22 @@
+class Book:
+
+    def __init__(self, name, author, pages):
+        self.name = name
+        self.author = author
+        self.pages = pages
+
+    def name(self):
+        return self.name
+
+    def author(self):
+        return self.author
+
+    def pages(self):
+        return self.pages
+
+
+''' TEST '''
+# book = Book("My Book", "Me", 200)
+# print(book.name)
+# print(book.author)
+# print(book.pages)

OOP/1.First Steps in OOP/First Steps in OOP - Lab/03. Class Book.py

@@ -0,0 +1,14 @@
+class Car:
+
+    def __init__(self, name, model, engine):
+        self.name = name
+        self.model = model
+        self.engine = engine
+
+    def get_info(self):
+        return f"This is {self.name} {self.model} with engine {self.engine}"
+
+
+''' TEST '''
+# car = Car("Kia", "Rio", "1.3L B3 I4")
+# print(car.get_info())

OOP/1.First Steps in OOP/First Steps in OOP - Lab/04. Car.py

@@ -0,0 +1,18 @@
+class Music:
+
+    def __init__(self, title, artist, lyrics):
+        self.title = title
+        self.artist = artist
+        self.lyrics = lyrics
+
+    def print_info(self):
+        return f"This is \"{self.title}\" from \"{self.artist}\""
+
+    def play(self):
+        return self.lyrics
+
+
+''' TESTS '''
+# song = Music("Title", "Artist", "Lyrics")
+# print(song.print_info())
+# print(song.play())

OOP/1.First Steps in OOP/First Steps in OOP - Lab/05. Music.py

@@ -1,4 +1,5 @@
 | Python Object Oriented Programming  | 
 | ---------------- |
-| Content Cell     | 
-| Content Cell     |
+| <a href="1.First Steps in OOP">First Steps in OOP</a>     | 
+| ------------------------ |
+| <a href="1.First Steps in OOP/First Steps in OOP - Lab">First Steps in OOP</a>     |

OOP/README.md

@@ -8,7 +8,7 @@ Course Exercise Lecturer - **[Diyan Kalaydzhiev](https://github.com/DiyanKalaydz
 | Python Advanced | Python OOP |
 | --------------- | ---------- |
 | <a href="Advanced">Advanced</a> | <a href="OOP">Object Oriented Programming</a> |
-| <a href="Advanced/1.Stacks, Queues, Tuples and Sets">Stacks, Queues, Tuples and Sets</a> | First Steps in OOP |
+| <a href="Advanced/1.Stacks, Queues, Tuples and Sets">Stacks, Queues, Tuples and Sets</a> | <a href="OOP/1.First Steps in OOP">First Steps in OOP</a> |
 | <a href="Advanced/2.Multidimensional Lists">Multidimensional Lists (AKA matrix)</a> | Classes and Objects |
 | <a href="Advanced/3.Functions Advanced">Functions Advanced</a> | Inheritance |
 | <a href="Advanced/4.Error Handling">Error Handling</a> | Encapsulation |